| r1446 |
incircle,
isotomic
points |
| r1502 |
circumcircle,
Feuerbach
point |
| r1519 |
incenter,
orthocenter,
circumcenter,
Mittenpunkt,
radical
center |
| r1655 |
incircle,
isotomic
points, point X(55), tangent circles |
| r1656 |
incircle,
intouch
triangle, perspective, tangent
circles |
| r1732 |
circumcircle,
orthic
triangle,
Clawson point, homothetic
triangles |
| r1734 |
circumcircle,
perspective,
medial
triangle, Spieker point |
| r1735 |
circumcircle,
perspective,
Feuerbach
point |
| r1737 |
perspective |
| r1761 |
point X(80) |
| r1762 |
|
| r1857 |
incircle,
perspective,
medial
triangle, intouch triangle |
| r1858 |
incircle,
perspective,
medial
triangle, intouch triangle |
| r1859 |
ninecircle |
| r1860 |
ninecircle |
| r1878 |
orthic
triangle, incenter |
| r1881 |
|
| r1904 |
altimedial
triangles,
altitude feet, point
X(442), radical center |
| r1906 |
altimedial
triangles,
altitude feet, Spieker
circle, tangent circles |
| r1955 |
incenter,
excenters,
circumcircle,
homothetic
triangles, radical center |
| r1956 |
excenters,
circumcircle,
point
X(84), homothetic triangles |
| r1991 |
circumcenter,
incenter,
ninecenter |
| r2043 |
tangent circles |
| r2044 |
tangent circles |
| r2045 |
point X(12),
tangent circles |
